Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring 2009	Pre-Quiz 28

(must be done in Blackboard before Wed., May 27, 8:30 am)

1. Which of the following is NOT a purine?

a. caffeine
b. adenine
c. guanine
d. acyclovir
* e. uridine

2. Which of the following is NOT a nucleoside?

a. adenosine
b. thymidine
* c. uracil
d. cytidine
e. guanosine

3. If a sample of DNA contains 19% A, then it can be concluded that it will also contain

a. 81% C
b. 19% U
* c. 31% G
d. 31% T
e. 19% C

4. Synthetic m-RNA that was entirely composed of A would code for

a. poly-Arg
b. poly-Phe
c. an alternating copolymer of Ile and Tyr
d. poly-Tyr
* e. poly-Lys

5. A faculty member at PSU who does research related to the "RNA World" is

a. Professor Kevin Reynolds
b. Professor David Peyton
c. Professor Robert Strongin
* d. Professor Niles Lehman
e. Professor Mingdi Yan